Find the mean of the following data: `x : 19,21,23,25,27,29,31` `f:13,15,16,18,16,15,13`

Find the median of the following data: 15,6,16,8,22,21,9,18,25

Find the median of the following data 15,6,16,8,22,21,9,18,25

Find the mean of the following data: 19 21 23 25 27 29 31 13 15 16 18 16 15 13

Find the mean of the following data: 19 21 23 25 27 29 31 13 15 16 18 16 15 13

Find the mode of the following data. 12,14,12,16,15,13,14,18,19,12,14,15,16,15,16,16,15,17,13,16,16,15,15,13,15,17,15,14,15,13,15,14 .

Find the median of the following data 15, 6, 16, 8, 22, 21, 9, 18, 25

Find the mean deviation about the mean for the following data : 17,20,12,13,15,16,12,18,15,19,12,11

Find the mode of the following data: 25,16,19,48,19,20,34,15,19,20,21,24,19,16,22,16,18,20,16,19

Find the mode of the following data: 25,16,19,48,19,20,34,15,19,20,21,24,19,16,22,16,18,20,16,19